Alexanderson alternator

1904 Alexanderson alternator

The book of science

Tom Sharp

Ernst Alexanderson electromagnetism Alexanderson alternator

Alexanderson alternator

Transoceanic broadcasts

Alexanderson Day

The box

In 1903, Charles Proteus Steinmetz of GE delivered a ten-kilohertz alternator-transmitter, which Fessenden could not use as a radio transmitter. Ernst Alexanderson’s effort was far more successful; however, alternator-transmitters were eventually replaced by vacuum-tube transmitters.

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